US3311596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of polymers of alpha-olefins
Assignee: BASF SE
•
Filing: 1963-04-19
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Granted: 1967-03-28
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Expires: 1983-04-19
Abstract
No abstract record available.
Inventors
- 👤 Berding Christoph
- 👤 Hofmann Hermann Pankraz
- 👤 Kutepow Nikolaus Von
- 👤 Naarmann Herbert
- 👤 Reis Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:48
CPC Classifications
C; C08; C08F; C08F12/00; C08F12/02; C08F12/04; C08F12/06; C08F12/08; C08F36/00; C08F36/02; C08F36/04; C08F4/00; C08F4/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PROCESS FOR THE PRODUCTION OF A POLYMER OF AN AOLEFINE WHICH COMPRISES CONTACTING AN A-OLEFINE WITH 2 TO 10 CARBON ATOMS AND 1 TO 2 OLEFINIC DOUBLE BONDS WITH A SINGLE ACTIVE CATALYST CONSISTING OF AT LEAST ONE METAL CHELATE COMPOUND OF (A) A METAL SELECTED FROM THE CLASS CONSISTING OF METALS OF GROUPS IVB, VB, VIB, VIIB AND VIII OF THE PERIODIC SYSTEM, AND (B) A COMPOUND CAPABLE OF FORMING A CHELATE COMPLEX SELECTED FROM THE GROUP CONSISTING OF B-DIKETONES, B-KETOCARBOXYLIC ESTERS, ACETYLACETONIMIDE, SALICYLALDEHYDE, CHLOROMALONDIALDEHYDE, A-HYDROXYPROPIONIC ACID, DIHYDROXYMALONIC ACID, HISTIDINE AND 1,3DIAMINOBUTYRIC ACID.
Claim 2
Dependent Claim
95 words
A PROCESS FOR THE PRODUCTION OF A POLYMER OF AN AOLEFINE WHICH COMPRISES CONTACTING AN A-OLEFINE WITH 2 TO 10 CARBON ATOMS AND 1 TO 2 OLEFINIC DOUBLE BONDS WITH A SINGLE ACTIVE CATALYST CONSISTING OF AT LEAST ONE METAL CHELATE COMPOUND OF (A) A METAL SELECTED FROM THE CLASS CONSISTING OF METALS OF GROUPS IVB, VB, VIB, VIIB AND VIII OF THE PERIODIC SYSTEM, AND (B) A COMPOUND CAPABLE OF FORMING A CHELATE COMPLEX SELECTED FROM THE GROUP CONSISTING OF B-DIKETONES, B-KETOCARBOXYLIC ESTERS, ACETYLACETONIMIDE, SALICYLALDEHYDE, CHLOROMALONDIALDEHYDE, A-HYDROXYPROPIONIC ACID, DIHYDROXYMALONIC ACID, HISTIDINE AND 1,3DIAMINOBUTYRIC ACID.
References Cited (Backward Citations)
US3081287A
Cited
US3067181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |